I am introducing cryptography. Cryptography is used to secure and protect data during communication. Encryption is a process which transforms the original information into an unrecognizable form. Decryption is a process of converting encoded/encrypted data in a form that is readable and understood by a human or a computer.
El Salvador is the first country in the world to recognize Bitcoin as legal tender. Despite opposition from local groups, the government believes cryptocurrency will be a net positive for the economy and society.
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